and u.s. broadband leadership is particularly vital as developing countries grow and to middle-class expands around the world. these are good developments, but we should embrace them as the spur to our global competitiveness to ensure that we have in the u.s. world leading broadband infrastructure, to ensure that tech related capital and talent continue to flow here, and to ensure that we are the world leading innovation economy for the 21st century. there's good news on this front. over the past four years, the u.s. has retained global leadership in key areas of the broadband economy. take mobile where we moved from laggard leader. four years ago people were talking about mobile innovation but they were talking about mobile innovation in asia. they were talking of mobile infrastructure and they were talking about in europe, and describing the u.s. as a backwater. today, the u.s. is a clear world later on mobile innovation. u.s. companies invented the apps economy, and in four years the percen